John L. Holmes focuses on Ion, Fragmentation, Analytical chemistry, Mass spectrometry and Standard enthalpy of formation. His biological study spans a wide range of topics, including Dissociation, Physical chemistry and Metastability. His Fragmentation research integrates issues from Chemical physics, Gas-phase ion chemistry, Crystallography, Polyatomic ion and Isomerization.
In his research on the topic of Analytical chemistry, Ion-mobility spectrometry–mass spectrometry, Collisional excitation, Thermospray, Fast atom bombardment and Thermal ionization mass spectrometry is strongly related with Electron ionization. His Mass spectrometry study combines topics in areas such as Inorganic chemistry, Molecule, Coordination complex and Chemical ionization. His Standard enthalpy of formation research includes themes of Photochemistry, Alkyl radicals, Radical, Ionic bonding and Bond-dissociation energy.
John L. Holmes spends much of his time researching Ion, Mass spectrum, Analytical chemistry, Photochemistry and Fragmentation. His Ion study integrates concerns from other disciplines, such as Standard enthalpy of formation, Physical chemistry, Metastability and Mass spectrometry. His Mass spectrum study deals with Medicinal chemistry intersecting with Alkyl.
John L. Holmes focuses mostly in the field of Analytical chemistry, narrowing it down to matters related to Dissociation and, in some cases, Protonation and Inorganic chemistry. His research investigates the connection between Photochemistry and topics such as Radical that intersect with issues in Reaction intermediate. His work investigates the relationship between Fragmentation and topics such as Molecule that intersect with problems in Computational chemistry.
His primary areas of study are Ion, Molecule, Proton, Computational chemistry and Mass spectrometry. His Ion study incorporates themes from Standard enthalpy of formation, Photochemistry and Analytical chemistry. He has researched Analytical chemistry in several fields, including Electron ionization, Ionization and Appearance energy.
John L. Holmes works mostly in the field of Molecule, limiting it down to topics relating to Radical and, in certain cases, Reaction intermediate, Reactivity, Coordination complex and Reactions on surfaces. The various areas that John L. Holmes examines in his Mass spectrometry study include Radiochemistry and Isotopic labeling. His work in Collision-induced dissociation addresses subjects such as Polyatomic ion, which are connected to disciplines such as Mass spectrum.
John L. Holmes mainly focuses on Ion, Computational chemistry, Proton, Alkyl and Photochemistry. The Ion study combines topics in areas such as Internal energy, Heterolysis and Homologous series. The study incorporates disciplines such as Reaction intermediate, Reactivity, Coordination complex, Reactions on surfaces and Mass spectrometry in addition to Computational chemistry.
Mass spectrometry is a subfield of Analytical chemistry that he studies. John L. Holmes interconnects Homolysis, Allylic rearrangement and Medicinal chemistry in the investigation of issues within Alkyl. His Photochemistry research is multidisciplinary, incorporating elements of Distonic ion, Fragmentation and Isomerization.
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Assigning structures to ions in the gas phase
John L. Holmes.
Journal of Mass Spectrometry (1985)
The neutralization of organic cations
John L. Holmes.
Mass Spectrometry Reviews (1989)
The scope of metastable peak observations
John L. Holmes;Johan K. Terlouw.
Journal of Mass Spectrometry (1980)
Gas-phase heats of formation of keto and enol ions of carbonyl compounds
John L. Holmes;F. P. Lossing.
Journal of the American Chemical Society (1980)
Heats of formation of oxygen-containing organic free radicals from appearance energy measurements
John L. Holmes;Fred P. Lossing;Paul M. Mayer.
Journal of the American Chemical Society (1991)
Stabilization energy and ion size in carbocations in the gas phase.
F. P. Lossing;John L. Holmes.
Journal of the American Chemical Society (1984)
The radical cation [CH2OH2]+.cntdot. and related stable gas-phase ion-dipole complexes
J. L. Holmes;F. P. Lossing;J. K. Terlouw;P. C. Burgers.
Journal of the American Chemical Society (1982)
Neutral products of ion fragmentations: HCN and HNC identified by collisionally induced dissociative ionization
Peter C. Burgers;John L. Holmes;Alexander A. Mommers;Johan K. Terlouw.
Chemical Physics Letters (1983)
Metastable ion studies (VIII): An analytical method for deriving kinetic energy release distributions from metastable peaks
J.L. Holmes;A.D. Osborne.
International Journal of Mass Spectrometry and Ion Physics (1977)
The gas phase ion chemistry of the acetyl cation and isomeric [C2H3O]+ ions. On the structure of the [C2H3O]+ daughter ions generated from the enol of acetone radical cation
Peter C. Burgers;John L. Holmes;Jan E. Szulejko;Alexander A. Mommers.
Journal of Mass Spectrometry (1983)
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